Dictionary.com
Thesaurus.com
Synonyms

portion

American  
[pawr-shuhn, pohr-] / ˈpɔr ʃən, ˈpoʊr- /

noun

  1. a part of any whole, either separated from or integrated with it.

    I read a portion of the manuscript.

    Synonyms:
    segment, section
    Antonyms:
    whole
  2. an amount of food served for one person; serving; helping.

    He took a large portion of spinach.

    Synonyms:
    ration
  3. the part of a whole allotted to or belonging to a person or group; share.

    Synonyms:
    dividend, lot, quota, allotment
  4. the part of an estate that goes to an heir or a next of kin.

    Synonyms:
    inheritance
  5. Literary. something that is allotted to a person by God or fate.

    Synonyms:
    doom, destiny, lot, fortune
  6. (especially formerly) the money, goods, or estate that a woman brings to her husband at marriage; dowry.


verb (used with object)

  1. to divide into or distribute in portions or shares (often followed byout ).

    Synonyms:
    apportion, allot
  2. to furnish with a portion, as with an inheritance or a dowry.

    All of his children have been amply portioned.

    Synonyms:
    endow
  3. to provide with a lot or fate.

    She was portioned with sorrow throughout her life.

portion British  
/ ˈpɔːʃən /

noun

  1. a part of a whole; fraction

  2. a part allotted or belonging to a person or group

  3. an amount of food served to one person; helping

  4. law

    1. a share of property, esp one coming to a child from the estate of his parents

    2. the property given by a woman to her husband at marriage; dowry

  5. a person's lot or destiny

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to divide up; share out

  2. to give a share to (a person); assign or allocate

  3. law to give a dowry or portion to (a person); endow

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See part.

Other Word Forms

  • portionable adjective
  • portionless adjective
  • reportion verb (used with object)
  • unportionable adjective
  • unportioned adjective

Etymology

Origin of portion

First recorded in 1250–1300; Middle English porcion, from Old French, from Latin portiōn- (stem of portiō ) “share, part,” akin to pars part

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At the same time, a notable portion originates from southern regions including southern Indonesia, Malaysia, and Indochina.

From Science Daily • Apr. 9, 2026

Amazon’s Leo service will start connecting a portion of Delta’s fleet in 2028; Elon Musk’s Starlink has become a dominant satellite connectivity provider to airlines.

From The Wall Street Journal • Apr. 6, 2026

Our planet appears upside down, with the Sahara desert and the Iberian peninsula visible to the left and the eastern portion of South America to the right.

From BBC • Apr. 5, 2026

“If any portion of the project fails, they are not going to be holding the bag.”

From Los Angeles Times • Apr. 3, 2026

The bank battle was an unpleasant interlude, but it didn’t interrupt what was becoming the key portion of most of Bobby’s days: reading.

From "Endgame" by Frank Brady